Exam 4 (Part 2) Chemical Senses/ Perception Flashcards
1
Q
Chemical Senses
A
Smell and Taste
2
Q
Olfactory Perception
A
Sense of smell
3
Q
Olfactory structures
A
Nose, naval cavities, and upper part of throat
4
Q
Stimulus for olfactory system
A
Airborne chemicals
5
Q
Gustatory Perception
A
Taste perception
6
Q
Gustatory structures
A
Mouth
7
Q
Stimulus for gustatory system
A
Chemicals in solution
8
Q
Receptors for gustatory system
A
Taste buds (thousands in the mouth)
9
Q
Taste system detects only a few elementary sensations
A
Sweet, sour, bitter, salty, umami (savory)
10
Q
Touch structures
A
Skin
11
Q
Touch stimulus
A
Physical pressure
12
Q
transduction occurs where (touch)
A
Receptors in or just below the skin
13
Q
The skin encodes the intensity of a stimulus by…
A
- Firing rate of individual neurons
- Number of neurons stimulated
14
Q
2 principles of organization
A
- Figure ground
- Grouping
15
Q
Figure-ground
A
- We organize stimuli into a figure against a background
- Sticks out (salient feature)
